MCP Fusion
AI-First DX for the Model Context Protocol.

Interface: ErrorEvent ​

Defined in: packages/core/src/observability/DebugObserver.ts:107

Emitted when an unhandled error occurs in the pipeline. This captures exceptions — not validation errors (those are in ValidateEvent).

Properties ​

action ​

ts
readonly action: string;

Defined in: packages/core/src/observability/DebugObserver.ts:110

error ​

ts
readonly error: string;

Defined in: packages/core/src/observability/DebugObserver.ts:111

step ​

ts
readonly step: "middleware" | "route" | "validate" | "execute";

Defined in: packages/core/src/observability/DebugObserver.ts:113

The pipeline step where the error occurred

timestamp ​

ts
readonly timestamp: number;

Defined in: packages/core/src/observability/DebugObserver.ts:116

tool ​

ts
readonly tool: string;

Defined in: packages/core/src/observability/DebugObserver.ts:109

traceId? ​

ts
readonly optional traceId: string;

Defined in: packages/core/src/observability/DebugObserver.ts:115

Short hex trace ID for correlating events in the same request lifecycle

type ​

ts
readonly type: "error";

Defined in: packages/core/src/observability/DebugObserver.ts:108